CN213448124U - Bridge girder erection machine and safety early warning device thereof - Google Patents

Bridge girder erection machine and safety early warning device thereof Download PDF

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Publication number
CN213448124U
CN213448124U CN202022095911.0U CN202022095911U CN213448124U CN 213448124 U CN213448124 U CN 213448124U CN 202022095911 U CN202022095911 U CN 202022095911U CN 213448124 U CN213448124 U CN 213448124U
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Prior art keywords
erection machine
bridge girder
girder erection
alarm
distance value
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CN202022095911.0U
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吴佳
屈健
尹明贤
王健
陈武林
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China Railway 11th Bureau Group Co Ltd
Second Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
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China Railway 11th Bureau Group Co Ltd
Second Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
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Abstract

A bridge girder erection machine safety early warning device and a bridge girder erection machine relate to the technical field of bridge construction. The bridge girder erection machine safety early warning device comprises a controller, a distance measuring assembly and an alarm, wherein the distance measuring assembly is arranged on a shoe-shaped ingot beam of the bridge girder erection machine and is used for detecting distance information between the shoe-shaped ingot beam and a girder transporting vehicle; the controller is respectively electrically connected with the distance measuring assembly, the alarm and the emergency braking system of the girder transporting vehicle, and is used for receiving the distance information, and when the distance value corresponding to the distance information is smaller than a first preset distance value and larger than a second preset distance value, the controller is used for controlling the alarm to give an alarm; and when the distance value corresponding to the distance information is smaller than a second preset distance value, the controller is used for controlling the emergency braking system to perform emergency braking. The bridge girder erection machine comprises the bridge girder erection machine safety early warning device. The bridge girder erection machine safety early warning device can improve the operation safety of the bridge girder erection machine.

Description

Bridge girder erection machine and safety early warning device thereof
Technical Field
The utility model relates to a bridge construction technical field particularly, relates to a bridge girder erection machine safety precaution device and bridge girder erection machine.
Background
With the three-dimensional development of road network space in China, more and more bridges cross railways, highways, navigation channels, urban overpasses and important pipelines, and a bridge construction method adopting factory precast beams and field bridge erecting machine girder erection is also in the trend. The bridge girder erection machine is used as large special equipment in construction, and becomes indispensable key equipment in the construction of highway bridges. In the process of bridge erection, the bridge body lifting device is mainly used for lifting the bridge body so as to install the bridge body at a specified position above a pier.
Among them, transportation and erection of a beam body by using a bridge girder erection machine are key processes in bridge engineering construction, and the construction safety of the bridge girder erection machine is always concerned in the industry. However, the existing bridge girder erection machine still has obvious safety hazards in the use process, for example, when the operation line of the girder transportation vehicle deviates, the bridge girder erection machine may be collided with a shoe-shaped beam of the bridge girder erection machine, which brings great safety risks to the bridge girder erection machine. However, in the prior art, the traveling route of the girder transporting vehicle is usually determined by the visual inspection of the operators, but the operating skill levels of the operators are different, which causes uncertainty in the judgment of the relative position of the bridge girder erection machine and the girder transporting vehicle by the operators in the bridge erection construction process, and thus, the accidents of derailment and overturn of the bridge girder erection machine are easy to occur.
Therefore, a safety pre-warning device for a bridge erecting machine is needed to improve the operation safety of the bridge erecting machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridge crane safety precaution device and bridge crane, its operation security that can improve bridge crane.
The embodiment of the utility model is realized like this:
one aspect of the utility model provides a bridge girder erection machine safety early warning device, this bridge girder erection machine safety early warning device includes controller, range finding subassembly and alarm, wherein, the range finding subassembly is located the ingot beam of bridge girder erection machine, is used for detecting the distance information between ingot beam and the roof beam transport car; the controller is respectively electrically connected with the distance measuring assembly, the alarm and an emergency braking system of the girder transporting vehicle, the controller is used for receiving the distance information, and when the distance value corresponding to the distance information is smaller than a first preset distance value and larger than a second preset distance value, the controller is used for controlling the alarm to give an alarm; and when the distance value corresponding to the distance information is smaller than a second preset distance value, the controller is used for controlling the emergency braking system to perform emergency braking. The bridge girder erection machine safety early warning device can improve the operation safety of the bridge girder erection machine.
Optionally, the distance measuring assembly includes a transmitter, a receiver and a reflector, wherein the transmitter and the receiver are respectively connected to the ingot beams, the reflector is connected to one side of the girder transporting vehicle close to the bridge erecting machine, the transmitter is used for transmitting light to the reflector, and the receiver is used for receiving light reflected by the reflector.
Optionally, the reflector is connected to the front end of the beam transporting vehicle in the driving direction.
Optionally, a side of the reflector close to the bridge erecting machine is parallel to the horizontal plane.
Optionally, this bridge girder erection machine safety precaution device still includes the mounting panel, the mounting panel connect in the roof beam car is close to one side of bridge girder erection machine, just the mounting panel is close to the one side of bridge girder erection machine is parallel with ground, reflection of light piece is connected and is close to in the mounting panel the one side of bridge girder erection machine.
Optionally, the alarm device comprises a plurality of alarm devices, and the plurality of alarm devices are respectively electrically connected with the controller.
Optionally, the alarm is an audible and visual alarm.
Optionally, the alarm is a voice announcer.
Optionally, the first preset distance value is between 8m and 12m, and the second preset distance value is between 4m and 6 m.
The utility model discloses an on the other hand provides a bridge girder erection machine, and this bridge girder erection machine includes above-mentioned bridge girder erection machine safety precaution device.
The beneficial effects of the utility model include:
the application provides a bridge girder erection machine safety early warning device which comprises a controller, a distance measuring assembly and an alarm, wherein the distance measuring assembly is arranged on a shoe-shaped ingot beam of the bridge girder erection machine and used for detecting distance information between the shoe-shaped ingot beam and a girder transporting vehicle; the controller is respectively electrically connected with the distance measuring assembly, the alarm and the emergency braking system of the girder transporting vehicle, and is used for receiving the distance information, and when the distance value corresponding to the distance information is smaller than a first preset distance value and larger than a second preset distance value, the controller is used for controlling the alarm to give an alarm; and when the distance value corresponding to the distance information is smaller than a second preset distance value, the controller is used for controlling the emergency braking system to perform emergency braking. When the bridge girder erection machine safety early warning device is used, a distance measuring assembly of the bridge girder erection machine safety early warning device can detect distance information between the ingot girder and the girder transporting vehicle and send the distance information to the controller; the controller can be used for receiving the distance information, converting the distance information into corresponding distance values, and comparing the distance values corresponding to the distance information with the first preset distance value and the second preset distance value respectively through analysis. When the distance value corresponding to the distance information is smaller than a first preset distance value and larger than a second preset distance value, the controller controls the alarm to give an alarm, so that an operator is reminded to perform operations such as speed reduction or inspection, and the potential safety hazard is eliminated; when the distance value corresponding to the distance information is smaller than the second preset distance value, the controller controls the emergency braking system of the girder transporting vehicle to perform emergency braking, so that collision between the girder body carried on the girder transporting vehicle and the ingot girder of the bridge girder erection machine is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is one of schematic structural diagrams of a bridge girder erection machine safety early warning device provided by an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a bridge girder erection machine safety early warning device according to an embodiment of the present invention;
fig. 3 is a third schematic structural diagram of a safety warning device for a bridge girder erection machine according to an embodiment of the present invention.
Icon: 10-a controller; 20-a ranging assembly; 21-a reflector; 30-an alarm; 40-a bridge girder erection machine; 50-beam transporting vehicle; 51-emergency braking system; 60-mounting a plate; 70-beam body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and fig. 2 in combination, the present embodiment provides a safety warning device for a bridge girder erection machine 40, where the safety warning device for a bridge girder erection machine 40 includes a controller 10, a distance measurement component 20 and an alarm 30, where the distance measurement component 20 is disposed on a shoe-shaped beam of the bridge girder erection machine 40 and is used for detecting distance information between the shoe-shaped beam and a girder transporting vehicle 50; the controller 10 is respectively electrically connected with the distance measuring assembly 20, the alarm 30 and an emergency braking system 51 of the girder transporting vehicle 50, the controller 10 is used for receiving distance information, and when a distance value corresponding to the distance information is smaller than a first preset distance value and larger than a second preset distance value, the controller 10 is used for controlling the alarm 30 to give an alarm; when the distance value corresponding to the distance information is smaller than the second preset distance value, the controller 10 is configured to control the emergency braking system 51 to perform emergency braking. The safety early warning device of the bridge girder erection machine 40 can improve the operation safety of the bridge girder erection machine 40.
The distance measuring assembly 20 is used for being mounted on a shoe-shaped ingot beam of the bridge girder erection machine 40 and is mainly used for detecting distance information between the shoe-shaped ingot beam and the girder transportation vehicle 50, so that the controller 10 can judge whether the shoe-shaped ingot beam is in a dangerous state according to a distance value corresponding to the distance information, and when the shoe-shaped ingot beam is in the dangerous state, the alarm is sent out or the emergency brake is performed correspondingly and selected, so that the beam body 70 conveyed by the girder transportation vehicle 50 is prevented from colliding with the bridge girder erection machine 40, thereby avoiding safety accidents such as rollover or overturning of the road bridge girder erection machine 40 and the like, further ensuring that the operation safety of the bridge girder erection machine 40 can be timely braked under the condition that the mind of operators of the bridge girder erection machine 40 is poor and the brake system is insensitive.
Referring to fig. 3, in the present embodiment, the distance measuring assembly 20, the alarm 30 and the emergency braking system 51 of the girder transporting vehicle 50 are electrically connected to the controller 10, respectively, so as to implement electrical control. Illustratively, the distance measuring assembly 20 is used for detecting distance information between the ingot beam and the girder transporting vehicle 50 and sending the distance information to the controller 10; the controller 10 is configured to receive the distance information, convert the distance information into corresponding distance values, and compare the distance values corresponding to the distance information with the first preset distance value and the second preset distance value respectively through analysis. When the distance value corresponding to the distance information is larger than a first preset distance value, no action is needed; when the distance value corresponding to the distance information is smaller than the first preset distance value and larger than the second preset distance value, the controller 10 controls the alarm 30 so that the alarm 30 gives an alarm, and an operator is reminded to perform operations such as speed reduction or inspection to eliminate potential safety hazards; when the distance value corresponding to the distance information is smaller than the second preset distance value, the controller 10 controls the emergency braking system 51 of the girder transporting vehicle 50 to perform emergency braking, so as to prevent the girder 70 carried on the girder transporting vehicle 50 from colliding with the ingot of the bridge girder erection machine 40.
It should be understood that the first predetermined distance value is greater than the second predetermined distance value. It should be noted that, the first preset distance value and the second preset distance value may be determined by those skilled in the art according to actual situations. For example, the first predetermined distance value and the second predetermined distance value may be determined according to the thickness of the beam body 70 carried on the beam transport vehicle 50.
Illustratively, the first preset distance value is between 8m and 12m, for example, the first preset distance value is 8m, 9m, 10m, 11m, or 12m, and so on. The second preset distance value is between 4m and 6m, for example, the second preset distance value is 4m, 5m or 6m, etc. It should be understood that the numerical values of the first preset distance value and the second preset distance value are only selected as examples given in the present application, and are not limited to the first preset distance value and the second preset distance value.
In addition, in this embodiment, optionally, the alarm 30 may be an audible and visual alarm 30, and may also be a voice announcer.
In addition, alternatively, the alarm 30 may include a plurality of alarms, and the plurality of alarms 30 are electrically connected to the controller 10, respectively. In the present embodiment, the specific number of the alarm devices 30 is not limited, and a person skilled in the art can selectively install the alarm devices 30 in any places convenient for light transmission or sound transmission, such as the cab, the ingot of the bridge erecting machine 40, etc., as long as the installation position of the alarm devices 30 is convenient for the operator to find the alarm.
In summary, the present application provides a safety pre-warning device for a bridge girder erection machine 40, where the safety pre-warning device for the bridge girder erection machine 40 includes a controller 10, a distance measurement component 20 and an alarm 30, where the distance measurement component 20 is disposed on a shoe-shaped beam of the bridge girder erection machine 40 and is used for detecting distance information between the shoe-shaped beam and a girder transport vehicle 50; the controller 10 is respectively electrically connected with the distance measuring assembly 20, the alarm 30 and an emergency braking system 51 of the girder transporting vehicle 50, the controller 10 is used for receiving distance information, and when a distance value corresponding to the distance information is smaller than a first preset distance value and larger than a second preset distance value, the controller 10 is used for controlling the alarm 30 to give an alarm; when the distance value corresponding to the distance information is smaller than the second preset distance value, the controller 10 is configured to control the emergency braking system 51 to perform emergency braking. When the bridge girder erection machine 40 safety early warning device is used, the distance measurement component 20 of the bridge girder erection machine 40 safety early warning device can detect the distance information between the ingot girder and the girder transporting vehicle 50 and send the distance information to the controller 10; the controller 10 is configured to receive the distance information, convert the distance information into corresponding distance values, and compare the distance values corresponding to the distance information with the first preset distance value and the second preset distance value respectively through analysis. When the distance value corresponding to the distance information is smaller than the first preset distance value and larger than the second preset distance value, the controller 10 controls the alarm 30 to give an alarm, so that an operator is reminded to perform operations such as speed reduction or inspection, and the potential safety hazard is eliminated; when the distance value corresponding to the distance information is smaller than the second preset distance value, the controller 10 controls the emergency braking system 51 of the girder transporting vehicle 50 to perform emergency braking, so as to prevent the girder 70 carried on the girder transporting vehicle 50 from colliding with the ingot of the bridge girder erection machine 40.
Optionally, in this embodiment, the distance measuring assembly 20 includes a transmitter, a receiver and a reflector 21, wherein the transmitter and the receiver are respectively connected to the ingot beams, the reflector 21 is connected to a side of the girder transporting vehicle 50 close to the bridge girder erection machine 40, the transmitter is configured to transmit light to the reflector 21, and the receiver is configured to receive light reflected from the reflector 21. Thus, the emitter emits light, so that the light irradiates the reflector 21, and is reflected back to the receiver through the reflector 21, and the distance information between the ingot beam and the beam transporting vehicle 50 can be detected. It should be understood that in other embodiments, the reflectors 21 may be mounted to the shoe beams, and the transmitters and receivers may be mounted to the girder transport 50.
Illustratively, the transmitter may be an infrared transmitter, and correspondingly, the receiver may be an infrared receiver. The reflector 21 may be a reflector plate or a reflector strip.
In order to facilitate timely detection of the distance between the ingot beam and the girder transporting vehicle 50, in the present embodiment, the light reflecting member 21 is optionally connected to the front end of the traveling direction of the girder transporting vehicle 50.
Optionally, in order to make the detection result more accurate when detecting the distance between the ingot beam and the girder transporting vehicle 50, in the present embodiment, the surface of the light reflecting member 21 close to the bridge erecting machine 40 is parallel to the horizontal plane.
Further, in order to keep the side of the reflector 21 close to the bridge erecting machine 40 horizontal. Optionally, the bridge girder erection machine 40 safety precaution device further comprises a mounting plate 60, the mounting plate 60 is connected to one side of the girder transportation vehicle 50 close to the bridge girder erection machine 40, one side of the mounting plate 60 close to the bridge girder erection machine 40 is parallel to the ground, and the light reflecting member 21 is connected to one side of the mounting plate 60 close to the bridge girder erection machine 40. In this way, it is convenient to ensure that the side of the reflector 21 close to the bridge erecting machine 40 is kept horizontal.
The utility model discloses an on the other hand provides a bridging machine 40, and this bridging machine 40 includes above-mentioned bridging machine 40 safety precaution device. Since the structure and the beneficial effects of the safety precaution device of the bridge girder erection machine 40 are explained in detail in the foregoing, they are not described in detail herein.
The above description is only an alternative embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

Claims (10)

1. The bridge girder erection machine safety early warning device is characterized by comprising a controller, a distance measuring assembly and an alarm, wherein the distance measuring assembly is arranged on a shoe-shaped ingot beam of a bridge girder erection machine and is used for detecting distance information between the shoe-shaped ingot beam and a girder transporting vehicle;
the controller is respectively electrically connected with the distance measuring assembly, the alarm and an emergency braking system of the girder transporting vehicle, the controller is used for receiving the distance information, and when the distance value corresponding to the distance information is smaller than a first preset distance value and larger than a second preset distance value, the controller is used for controlling the alarm to give an alarm; and when the distance value corresponding to the distance information is smaller than a second preset distance value, the controller is used for controlling the emergency braking system to perform emergency braking.
2. The bridge girder erection machine safety precaution device of claim 1, wherein the ranging assembly comprises a transmitter, a receiver and a reflector, wherein the transmitter and the receiver are respectively connected to the ingot beams, the reflector is connected to one side of the girder transportation vehicle close to the bridge girder erection machine, the transmitter is used for transmitting light to the reflector, and the receiver is used for receiving the light reflected by the reflector.
3. The bridge girder erection machine safety precaution device of claim 2, wherein the reflector is connected to the front end of the girder transport vehicle in the traveling direction.
4. The bridge girder erection machine safety precaution device of claim 2, wherein a face of the light reflecting member near the bridge girder erection machine is parallel to a horizontal plane.
5. The bridge girder erection machine safety early-warning device according to claim 4, further comprising a mounting plate, wherein the mounting plate is connected to one side of the girder transportation vehicle close to the bridge girder erection machine, one surface of the mounting plate close to the bridge girder erection machine is parallel to the ground, and the light reflecting member is connected to one surface of the mounting plate close to the bridge girder erection machine.
6. The bridge girder erection machine safety early-warning device according to claim 1, wherein the alarm comprises a plurality of alarms, and the plurality of alarms are respectively electrically connected with the controller.
7. The bridge girder erection machine safety early-warning device according to claim 6, wherein the alarm is an audible and visual alarm.
8. The bridge girder erection machine safety precaution device of claim 1, wherein the alarm is a voice announcer.
9. The bridge girder erection machine safety precaution device of claim 1, wherein the first preset distance value is between 8m and 12m, and the second preset distance value is between 4m and 6 m.
10. A bridge girder erection machine, characterized by comprising the bridge girder erection machine safety precaution device of any one of claims 1 to 9.
CN202022095911.0U 2020-09-22 2020-09-22 Bridge girder erection machine and safety early warning device thereof Active CN213448124U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113832858A (en) * 2021-09-18 2021-12-24 中国船舶重工集团应急预警与救援装备股份有限公司 Anti-rollover early warning and self-adaptive adjusting system of large-span bridge erection vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113832858A (en) * 2021-09-18 2021-12-24 中国船舶重工集团应急预警与救援装备股份有限公司 Anti-rollover early warning and self-adaptive adjusting system of large-span bridge erection vehicle

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